Home / 43,612.10-65,288.55-28,837.70

Finding the Fourth Proportional to 43,612.10, 65,288.55 and 28,837.70

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Solution

The fourth proportional to 43,612.10, 65,288.55 and 28,837.70 is: 43,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,612.10 : 65,288.55 = 28,837.70 : x
  2. Step 2: Convert to fraction form
    43,612.10/65,288.55 = 28,837.70/x
  3. Step 3: Cross multiply
    43,612.10x = 65,288.55 × 28,837.70
  4. Step 4: Simplify right side
    43,612.10x = 1,882,771,618.34
  5. Step 5: Solve for x
    x = 1,882,771,618.34/43,612.10
  6. Step 6: Final answer
    x = 43,170.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.